Finally fixed the 64bit segfault on big-endian architectures in non-tracing mode
diff --git a/CHANGES b/CHANGES
index d07be9e..893bc57 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,8 @@
 (bugfix release, release date to be announced)
 
 - Fixed extensions not loading properly with overlays.
+- Work around a bug in cpython for the debugger that causes segfaults
+  on 64bit big-endian architectures.
 
 Version 2.5.3
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